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Alright then I think I was at the wrong track. Please share a protection circuit example or calculation method as the microcontroller is Raspberry Pico of ADC 3.3V.
Thanks
The purpose is to simply isolate Raspberry Pico analog pins (Not exceeding 3.3V - I don't know Max handling current value of ADC of Pico). While there are analog sensors that might give output up to 5V, 24V or 4-20mA. I just want to control spikes/surges from any sensor as it should not cross...
Hi, I’m using ISO224 to isolate analog signal from a sensor (e.g. Temperature/Humidity sensor) for Raspberry Pico ADC (analog pins). As per my understanding, IC has 2 output pins (Inverting & Non-inverting). Can I use only single pin (Non-inverting) for output and ground the other so that the...
Hello, I’m designing a logger to collect data from a thermocouple (may be any type) using Raspberry Pico (3.3V). I want to isolate analog pins but signal should be proportional to the input signal. As per my study inductive isolation can be done to transfer power proportional to the input analog...
Yes, that's what I want. Actually I want to use port forwarding so I could access SD logs from another router etc. Can you please share more guidance how to take it further.
Yes I've studied it a bit. But I think it will be more suitable for WAN communication. While for now I just have to make it doable at LAN. How should I read/download file from ESP32 interfaced SD card to local computer using web app? And I could not get a guide for this task.
I wan talking about question complexity. Moreover, using esp32 cause of WiFi. Actually I don't have guide how to take this working. I'm facing issue in esp coding for the specified purpose. GUI is not much complex but the way of communication between controller and app/GUI is.
It might be...
I'm using a microcontroller (Arduino) to collect sensor data and saving it in .txt format in the interfaced SD card. I would like to access this data remotely through web (WAN).
Please advise on how to do this and what kind of setup will be needed? Please share links of similar projects or...
Hi Klaus, I don't think it's much complex. I have a file in SD card interfaced with esp32. I just want to download that file via local network using any web app etc. I don't know how that app can be interlinked for my purpose.
I'm facing an issue related to data file reading/downloading from SD card module using web app or GUI. How can I do this.
SD card module is connected with ESP32-Wroom32 and data is being stored in .txt file.
How to download that file using Local or Web network?
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